body{
    background-color: #ffffff;
}
/*未被访问的链接link*/
a:link {
    text-decoration: none;
}
/*首页，博客，关于我们*/
.header {
    width: 100%;
    background-color: #252A2F;
    height: 160px;
    display: inline-block;
}
.header_left {
    display: inline-block;
    margin-left: 200px;
}
.header_right {
    display: inline-block;
    margin-left: 200px;
    vertical-align: top;
    /*margin-top: 20px;*/
}
.top_nav li a {
    color: #ffffff;
}
.top_nav li.start,li:hover{
    background-color: #9B30FF;
}
.start{
    display: inline-block;
    font-size: 20px;/*设置字体大小*/
    padding: 14px 14px;
}
.about_us {
    display: inline-block;
    font-size: 20px;/*设置字体大小*/
    padding: 14px 14px;
    margin-left: 2px;
}
.blog {
    display: inline-block;
    font-size: 20px;/*设置字体大小*/
    padding: 14px 14px;
    margin-left: 2px;
}
/*登陆注册*/
.sign-ligin-btns {
    display: inline-block;
    vertical-align: top;
}
.sign-ligin-btns li a{
    color: #ffffff;
}
.login {
    display: inline-block;
    font-size: 20px;/*设置字体大小*/
    padding: 14px 14px;
    margin-left: 2px;
}
.register {
    display: inline-block;font-size: 20px;/*设置字体大小*/
    padding: 14px 14px;
    margin-left: 2px;
}
/*中间内容*/
.body_center {
    background-color: #252A2F;
    height: 400px;
}
.title {
    margin-left: 200px;
    color: #ffffff;
    font-size: 35px;
}
.content {
    margin-left: 200px;
    color: #ffffff;
    width: 310px;
    display: inline-block;
    /*text-indent: 2em;*//*段落空两格*/
    line-height: 22px;
    font-size: 18px;
    margin-top: 40px;
}
.content h2 {
    margin-top: 40px;
}
.content h2:hover {
    background-color: #9B30FF;
    padding: 10px 10px 10px 10px;
}
.logo_content {
    display: inline-block;
    width: 200px;
    vertical-align: top;
    margin-left: 160px;
}
.logo_content a img {
    width: 240px;
    height: 320px;
}
/*中间内容2*/
.body_center2 {
    background-color: #BF3EFF;
    height: 300px;
}
/*结尾内容*/
.body_end {
    background-color: #252A2F;
   height: 200px;
}


